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TSP Manufacturing delivers engineered fasteners, machined parts, shear screws, and valve stems—precision-crafted for strength, durability, and critical applications. SERVICING THE CUSTOMER Our Products Fastening Solutions We specialize in delivering a diverse range of high-quality product tailored to meet the demanding needs of our customers’ specifications. Whether your requirements are highly specialized or standard, our product performs reliably in critical applications. DOING WHATEVER IT TAKES Need product help or engineering support? Contact our team of fastener experts today CONTACT INDUSTRIES WE SERVE Oil & Gas Turbomachinery Marine and Offshore Nuclear Aerospace Robotics and Automation Defense Space Get a quote for your upcoming project CONTACT EXCELLENCE IN MANUFACTURING Quality, Materials, and Engineering Solutions Quality Learn more about how we deliver the highest Quality Engineered Fasteners & Components for custom-designed products Materials Learn more about our manufacturing material capabilities for our Engineered Fasteners & Components Services Learn more about our product support and supply chain solutions for our customers Engineered Fastener & Components OUR PRODUCTS Explore our products Specialty Engineered Fasteners Learn more about our Engineered Fasteners, precision-crafted for specialized and critical applications in diverse industries. Machined Parts Learn more about our custom-designed Machined Components expertly crafted for applications across a range of industries. Precision Shear Products Explore our shear product manufacturing and quality capabilities, delivering precision solutions for the most demanding applications. Valve Stems Learn more about our Engineered Valve Stems, designed for demanding applications requiring exceptional strength, durability, and precision.

Mirla Fonseca Sales Manager BIO With over a decade of experience in sales, account management, and project leadership, Mirla Fonseca, PMP, is a Specialized Inside Sales Manager at TSP Manufacturing. She brings together deep industry expertise and certified project management capabilities to deliver high-value, strategic solutions tailored to customer needs. Mirla’s background centers on advanced engineered fasteners and components for critical sectors including energy, industrial manufacturing, and infrastructure. Her Project Management Professional (PMP) certification enhances her ability to lead complex client projects with precision—ensuring technical alignment, on-time delivery, and measurable outcomes. Recognized for her collaborative approach and commitment to excellence, Mirla partners closely with customers to understand their objectives, proactively solve challenges, and build lasting relationships. Her professionalism and leadership continue to elevate customer satisfaction and contribute to TSP’s long-term success. BACK

OUR PRODUCTS Standard Products Home / Products / Standard Products / One-Stop Fasteners Source In addition to the engineered parts we provide, TSP Manufacturing offers a comprehensive line of standard engineered and commercial fasteners, allowing us to be a one source provider to our customers. Washers Flat Washers Lock Washers Belleville Washers Beveled Washers Finishing Washers Square Washers Bonded Sealing Washers Hillside Washers Conical Washers Spherical Washers Wave Washers Round-Mall Washers Saddle Washers Screws Machine Screws Sheet Metal Screws Wood Screws Thread Cutting Screws Self-Drilling Screws Lag Screws SEMS Screws Thread Rolling Screws Binding Post Screw Products Thumb screws Drywall Screws Multiple Material Screws Wind Screws Drive Screws Eye Screws Weld Screws Collated Screws Flooring Screws Dowel Screws Roofing Screws Accordion Screws Euro Screws Jack Screws Bolts Cap Screws and Hex Bolts Carriage Bolts Flange Bolts Structural Bolts Tap Bolts Square Head Bolts Heavy Hex Cap Screws Heavy Hex Bolts Ferry Cap Screws U-bolts Plow Bolts Tension Control Bolts Hanger Bolts Elevator Bolts Eye Bolts Connector Bolts Tower Bolts Penta Bolts Step Bolts Coil Bolts Cam and Bolt Connectors J-bolts Timber Bolts Bin Bolts Sidewalk Bolts U-bolt Plates Askew Head Bolts Track Bolts Nuts Hex Nuts Lock Nuts Jam Nuts Heavy Hex Nuts Acorn Nuts Flange Nuts Slotted Nuts Wing Nuts Weld Nuts Coupling Nuts Square Nuts Spring Nuts Tee Nuts Castle Nuts Allen Nuts Cap Nuts High Nuts Cage Nuts Knurled Nuts Acme Nuts Palnuts Security Nuts Handle Nuts Coil Nuts Hurricane Nuts standard products include: NORD-LOCK PRODUCTS Nord-Lock’s Trusted Partner for the Energy Industry TSP Manufacturing is Nord-Lock’s preferred distributor to the energy industry offering prepackaged or custom quantities, and technical product support. LEARN MORE OUR PRODUCTS Explore other products Specialty Engineered Fasteners Learn more about our Engineered Fasteners, precision-crafted for specialized and critical applications in diverse industries. Machined Parts Learn more about our custom-designed Machined Components expertly crafted for applications across a range of industries. Precision Shear Products Explore our shear product manufacturing and quality capabilities, delivering precision solutions for the most demanding applications. Valve Stems Learn more about our Engineered Valve Stems, designed for demanding applications requiring exceptional strength, durability, and precision. Get a quote for your upcoming project CONTACT EXCELLENCE IN MANUFACTURING Quality, Materials, and Engineering Solutions Quality Learn more about how we deliver the highest Quality Engineered Fasteners & Components for custom-designed products Materials Learn more about our manufacturing material capabilities for our Engineered Fasteners & Components Services Learn more about our product support and supply chain solutions for our customers Engineered Fastener & Components Contact our product specialists today CONTACT

SERVICING THE CUSTOMER Oil & Gas Home / Industries / Oil & Gas / Industry Overview Engineered fasteners and components used in the oil & gas industry are critical to ensuring safety, reliability, and efficiency in highly demanding environments. These components are often subject to extreme pressures, temperatures, and corrosive environments, making their design and material selection essential. KEY FEATURES High Strength: Engineered fasteners must handle high loads and stresses, especially in deep-sea or high-pressure drilling environments. Corrosion Resistance: Materials are selected for resistance to harsh conditions, including saltwater, hydrogen sulfide, and other corrosive agents found in drilling and production environments. Extreme Temperature Tolerance: Fasteners are designed to perform reliably under extreme heat or cold. Precision: Tight tolerances ensure a secure fit and minimize risks of failure during operation. WHEN ONLY THE BEST WILL DO Common Applications: Offshore and Subsea Operations: Used in risers, blowout preventers, and subsea trees. Drilling and Exploration Equipment: Fasteners in drill bits, drill string tools, and rigs. Completion and Production Equipment: A range of precisions parts from valve stems to fasteners used in electrical submersible pumps. Pipeline Infrastructure: High-performance nuts and bolts for flange connections in oil and gas pipelines. Refineries and Processing Facilities: Critical components in reactors, heat exchangers, and pressure vessels. Materials: Materials used in engineered fasteners for the oil & gas industry include: Alloy Steels: Known for strength and durability under high stress. Nickel Alloys: Excellent for high temperatures and corrosive environments. Stainless Steel: Offers good corrosion resistance and strength. Titanium: Lightweight and resistant to corrosion, ideal for specialized applications. MP35N: A nickel-cobalt alloy with superior strength and corrosion resistance in sour gas environments. Industry Standards: Engineered fasteners in oil & gas must comply with stringent industry standards, including: API Standards (e.g., API 20E/API 20F for critical application fasteners, API 6A for wellhead and tree equipment). API Q1 for quality management in the petroleum and natural gas industries. AMPP MR0175/ISO 15156 for materials used in sour gas conditions. ASME Standards for pressure vessel and piping applications. The TSP Manufacturing Advantage TSP Manufacturing specializes in providing custom-engineered fasteners designed for critical applications in the oil & gas sector. Our fasteners deliver exceptional reliability to minimize downtime, with customized solutions to meet specific project requirements, and compliance with all relevant industry regulations and standards. OUR PRODUCTS Explore our products Specialty Engineered Fasteners Learn more about our Engineered Fasteners, precision-crafted for specialized and critical applications in diverse industries. Machined Parts Learn more about our custom-designed Machined Components expertly crafted for applications across a range of industries. Precision Shear Products Explore our shear product manufacturing and quality capabilities, delivering precision solutions for the most demanding applications. Valve Stems Learn more about our Engineered Valve Stems, designed for demanding applications requiring exceptional strength, durability, and precision. DOING WHATEVER IT TAKES Need product help or engineering support? Contact our team of fastener experts today CONTACT Get a quote for your upcoming project CONTACT

testing capabilities Digital Optical Comparator A Digital Optical Comparator is a precision inspection tool used to measure and verify the geometry of manufactured parts without physical contact. By projecting a magnified image of a component onto a digital screen and comparing it directly to CAD data or dimensional tolerances, this method allows for highly accurate evaluation of critical features such as threads, diameters, radii, and angles. Unlike traditional mechanical comparators, the digital system provides enhanced accuracy, repeatability, and automated reporting capabilities. How the Inspection is Performed Preparation – The fastener or machined component is cleaned and securely positioned on the comparator stage. Imaging – High-resolution optics capture a magnified profile of the part under precise lighting. Comparison to CAD/Standards – The profile is digitally overlaid against CAD models or programmed dimensional tolerances. Measurement Capture – Features such as thread profiles, head geometry, diameters, and angles are measured with micron-level precision. Documentation – Results are stored in digital reports, ensuring full traceability for quality records. Why It is Performed Digital Optical Comparator inspections are performed to verify that parts are manufactured exactly to specification. Even slight dimensional deviations can affect assembly, performance, or safety. By using non-contact optical measurement, TSP can quickly and accurately confirm that all engineered fasteners and machined components conform to tight tolerances. Confirms dimensional accuracy and adherence to design specifications Detects deviations before parts move into critical applications Improves inspection efficiency through digital comparison and automated reporting Ensures quality consistency across production runs Application to Engineered Fasteners For engineered fasteners, dimensional precision is critical to performance. Thread accuracy, shank diameter, and head geometry all influence how a fastener engages, transfers load, and withstands stress. A slight variation can cause improper fit, reduced load capacity, or even premature failure in service. By using Digital Optical Comparator inspection, TSP Manufacturing ensures: Tight dimensional control for reliable fit and function Verification of critical features such as thread pitch, head profiles, and bearing surfaces Consistency across production batches to support customer confidence Assurance of quality in industries where tolerances cannot be compromised, such as aerospace, defense, nuclear, and energy Standards & Compliance At TSP Manufacturing, Digital Optical Comparator inspections are performed in alignment with ASME, ASTM, ISO, and customer-specific requirements . Our equipment is routinely calibrated to strict standards, and our inspection personnel are trained to ensure accuracy, repeatability, and traceability. This adherence to industry standards builds credibility and demonstrates our ongoing commitment to delivering fasteners and machined components that consistently meet the highest quality expectations. DOING WHATEVER IT TAKES Need product help or engineering support? Contact our team of fastener experts today CONTACT OUR PRODUCTS Explore our products Specialty Engineered Fasteners Learn more about our Engineered Fasteners, precision-crafted for specialized and critical applications in diverse industries. Machined Parts Learn more about our custom-designed Machined Components expertly crafted for applications across a range of industries. Precision Shear Products Explore our shear product manufacturing and quality capabilities, delivering precision solutions for the most demanding applications.

MANUFACTURING PROCESSES Cut Threading Cut threading is a traditional method used to create threads on engineered fasteners and components. It involves physically removing material from a blank to form the thread’s shape. This process is highly precise and is particularly suitable for custom or low-volume production of threaded components. The Cut Threading Process: 1. Preparation: A cylindrical blank or fastener body is prepared, typically made of materials like steel, stainless steel, titanium, or other alloys. The blank is secured in a lathe, threading machine, or CNC machine. 2. Thread Cutting Tool: A specialized cutting tool or die is used to remove material from the blank, creating the helical grooves that form the threads. The tool’s shape corresponds to the desired thread profile (e.g., triangular for standard threads, square for certain industrial applications). 3. Threading Operation: Single-Point Cutting: For larger threads or precision applications, a single-point tool is used to cut the thread profile in successive passes. Thread Chasing: Involves using a multi-tooth cutter to cut threads more quickly. Thread Rolling Dies: For larger-scale cut threads, dies may be used to guide and cut the threads accurately. Cutting lubricant is often applied to reduce friction, prevent overheating, and improve surface finish. 4. Inspection and Finishing: The cut threads are inspected for dimensional accuracy using gauges or thread measuring tools. Additional finishing steps like deburring or heat treatment may follow to improve durability and performance. Why Use Cut Threading for Fasteners? Tailored Solutions: Enables the creation of threads for non-standard fasteners or components with unique designs. Material Flexibility: Effective for hard-to-machine metals or materials unsuitable for rolling. Critical Applications: Provides the precision and control required for high-performance or safety-critical threaded components. Advantages of Cut Threading: High Precision: Allows for extremely accurate threads with tight tolerances, which are critical for high-performance fasteners. Customizability: Can produce non-standard or special threads for unique applications. Versatility: Suitable for a wide range of materials, including alloys and harder metals. Surface Quality: Produces threads with a smooth finish and sharp definition. Applications in Engineered Fasteners: Cut threading is typically used for the following: Custom or Prototype Fasteners: Threads can be tailored to unique specifications or non-standard sizes. Hard Materials: Effective for threading materials like titanium, hardened steel, or nickel alloys that are challenging to form using other methods. Low-Volume Production: Suitable for small batches where thread rolling or other methods may not be cost-effective. Precision Applications: Used where high accuracy and tight tolerances are required, such as in aerospace or nuclear components. Limitations Material Waste: Material is removed during the process, resulting in waste. Slower Production: Compared to thread rolling, cut threading is slower and less efficient for high-volume production. Weaker Threads: Threads created by cutting can have lower fatigue resistance compared to rolled threads due to the interruption of the material grain structure. Tool Wear: Cutting tools can wear out quickly, especially when threading harder materials. Cold Heading Hot Heading EDM Milling Turning Swiss Machining Drilling Roll Threading Cut Threading Broaching Heat Treatment Austenitizing Tempering Normalizing Stress Relieving Grinding Polishing Dot Peen Marking Laser Marking MANUFACTURING Explore our manufacturing capabilities OUR PRODUCTS Explore our products Specialty Engineered Fasteners Learn more about our Engineered Fasteners, precision-crafted for specialized and critical applications in diverse industries. Machined Parts Learn more about our custom-designed Machined Components expertly crafted for applications across a range of industries. Precision Shear Products Explore our shear product manufacturing and quality capabilities, delivering precision solutions for the most demanding applications. DOING WHATEVER IT TAKES Need product help or engineering support? Contact our team of fastener experts today CONTACT

testing capabilities Ultrasonic Testing (UT) Ultrasonic Testing (UT) is a non-destructive testing (NDT) method that uses high-frequency sound waves to detect internal and surface-connected flaws in solid materials. By sending sound waves through a component and analyzing the reflected signals, UT can identify cracks, voids, inclusions, and other discontinuities that are invisible to the eye. This makes it one of the most reliable techniques for ensuring the structural integrity of critical components. How the Test is Performed Preparation – The surface of the fastener or component is cleaned to ensure proper sound transmission. Couplant Application – A gel or liquid couplant is applied to facilitate the transmission of ultrasonic waves from the probe into the part. Sound Wave Transmission – An ultrasonic transducer emits high-frequency sound waves into the material. Signal Reflection – If the waves encounter a defect or boundary within the material, they reflect back to the probe. Data Analysis – The signals are displayed on a screen, allowing inspectors to measure the location, size, and type of any discontinuities. Documentation – Results are recorded to ensure traceability and compliance with quality standards. Why It is Performed Ultrasonic Testing is performed to safeguard the reliability of engineered fasteners and machined components where internal integrity is just as important as external quality. Unlike surface-only tests, UT provides insight into the entire volume of the material , making it highly effective for detecting hidden flaws that could compromise performance in service. Detects internal cracks, voids, and inclusions before they become failure points Ensures product integrity under extreme stresses and operating conditions Prevents costly downtime and safety risks by verifying quality before use Application to Engineered Fasteners Engineered fasteners are often used in safety-critical and high-stress environments — from aerospace engines to offshore oil & gas equipment. A flaw inside the material, even if invisible from the outside, can grow under load and lead to catastrophic failure. By using Ultrasonic Testing, TSP Manufacturing ensures that: Fasteners are free of hidden defects that compromise strength and durability Components meet the strict requirements of industries where failure is not an option Customers have complete confidence in the integrity and reliability of every part we produce Standards & Compliance TSP Manufacturing conducts Ultrasonic Testing in accordance with established industry standards, including ASTM, ASME, and AWS specifications , as well as customer-specific requirements. Our inspectors are trained and qualified under recognized NDT certification programs, ensuring every test is accurate and consistent. This strict adherence to standards not only builds credibility but also guarantees that our fasteners and components are compliant with the stringent quality expectations of industries such as aerospace, defense, nuclear, and oil & gas. DOING WHATEVER IT TAKES Need product help or engineering support? Contact our team of fastener experts today CONTACT OUR PRODUCTS Explore our products Specialty Engineered Fasteners Learn more about our Engineered Fasteners, precision-crafted for specialized and critical applications in diverse industries. Machined Parts Learn more about our custom-designed Machined Components expertly crafted for applications across a range of industries. Precision Shear Products Explore our shear product manufacturing and quality capabilities, delivering precision solutions for the most demanding applications.

MANUFACTURING PROCESSES Drilling Drilling is a fundamental machining process used in manufacturing engineered fasteners and components. It involves creating cylindrical holes in a workpiece using a rotating cutting tool called a drill bit. The Drilling Process: 1. Workpiece Preparation: The workpiece (made from materials like stainless steel, titanium, or nickel alloys) is securely clamped on a drilling machine or CNC machining center. The material’s properties dictate the type of drill bit and cutting parameters used. 2. Drill Bit Selection: The choice of drill bit depends on the required hole diameter, depth, and material. Common drill bits include twist drills, carbide drills, and coated drills for high-performance materials. 3. Rotating Tool Engagement: The drill bit rotates at high speeds while being fed into the workpiece, removing material to form a hole. Coolants or lubricants are often applied to reduce heat and improve tool life. 4. Hole Formation: The drilled hole can be further refined through secondary processes like reaming, boring, or tapping to achieve the desired finish and dimensions. 5. Precision Enhancement: CNC drilling machines ensure high accuracy and repeatability for complex hole patterns or tolerances. Enhancements with Drilling: Combination with Other Processes: Drilled holes can be threaded, counterbored, or countersunk in the same setup. Automation: CNC drilling increases speed and accuracy for high-volume runs. Tool Coatings: Advanced coatings like TiAlN or diamond reduce wear when drilling tough materials. Advantages of Drilling: Precision: CNC drilling ensures tight tolerances and high repeatability. Versatility: Can produce holes of various sizes and depths in a wide range of materials. Adaptability: Additional operations like tapping or boring can be integrated seamlessly. Cost-Effective: Drilling is efficient for high-volume production of standard and custom fasteners. Applications in Engineered Fasteners: Drilling is an essential step in producing fasteners and related components. Common applications include: Fastener Holes: Pilot Holes: Drilled to guide thread-cutting processes for screws and bolts. Clearance Holes: Allow screws or bolts to pass through without threading. Threaded Holes: Drilled holes that are later tapped to create internal threads. Complex Components: Drilled holes in flanges, bushings, and sleeves for mounting or alignment purposes. Countersinks and Counterbores: Used to create features that accommodate screw heads or washers. Custom Fasteners: Specialized holes for locking mechanisms, venting, or unique applications. Limitations Material Stress: Heat and force during drilling may affect material properties if not properly managed. Depth Restrictions: Very deep holes may require specialized equipment or techniques. Tool Wear: Drill bits can wear out quickly when working with hard materials like titanium or nickel alloys. Cold Heading Hot Heading EDM Milling Turning Swiss Machining Drilling Roll Threading Cut Threading Broaching Heat Treatment Austenitizing Tempering Normalizing Stress Relieving Grinding Polishing Dot Peen Marking Laser Marking MANUFACTURING Explore our manufacturing capabilities OUR PRODUCTS Explore our products Specialty Engineered Fasteners Learn more about our Engineered Fasteners, precision-crafted for specialized and critical applications in diverse industries. Machined Parts Learn more about our custom-designed Machined Components expertly crafted for applications across a range of industries. Precision Shear Products Explore our shear product manufacturing and quality capabilities, delivering precision solutions for the most demanding applications. DOING WHATEVER IT TAKES Need product help or engineering support? Contact our team of fastener experts today CONTACT

SERVICING THE CUSTOMER Marine and Offshore Home / Industries / Marine and Offshore / Industry Overview Engineered fasteners and components play a vital role in the marine and offshore industry, where durability, reliability, and resistance to harsh environmental conditions are paramount. These components are critical in ensuring the structural integrity and operational efficiency of vessels, offshore platforms, and related infrastructure. KEY FEATURES Corrosion Resistance: Fasteners are designed to withstand saltwater, humidity, and other corrosive elements that are prevalent in marine environments. High Strength: Structural integrity is crucial in applications exposed to dynamic loads, waves, and wind forces. Fatigue Resistance: Components endure constant vibration and stress, especially in moving structures like ships and oil rigs. Longevity: Fasteners are engineered to offer long service life, reducing the need for frequent replacements in hard-to-access locations. WHEN ONLY THE BEST WILL DO Common Applications: Shipbuilding: Fasteners are used in hull construction, engine mounts, propellers, and other critical ship components. Offshore Platforms: Includes components for rigs, subsea structures, and topside modules. Wind Farms: Specialized fasteners for offshore wind turbines, designed to handle high torque and corrosive environments. Mooring Systems: High-strength bolts and connectors for anchors and buoy systems. Piping and Valves: Secure connections in fluid transport systems for oil, gas, and water. Materials: Fasteners for marine and offshore applications are selected for their resistance to harsh conditions, including: Stainless Steels (Austenitic & Duplex): Offer excellent corrosion resistance and strength in saline environments. Nickel Alloys: Withstand extreme temperatures and corrosion from seawater. Titanium: Lightweight and corrosion-resistant, ideal for specialized applications. Bronze and Brass: Common in non-structural applications for their corrosion resistance and aesthetic qualities. Industry Standards: Marine and offshore fasteners must comply with strict industry standards to ensure safety and reliability, including: DNV (Det Norske Veritas) certification for offshore structures. ABS (American Bureau of Shipping) standards for marine applications. ISO Standards for quality, performance, and material specifications. The TSP Manufacturing Advantage TSP Manufacturing specializes in providing custom-engineered fasteners designed to meet the rigorous demands of the marine and offshore industry. Our fasteners are built to deliver unmatched corrosion resistance, enabling them to thrive in challenging marine environments, while offering superior mechanical performance to handle both dynamic and static loads. Additionally, they comply with industry certifications and standards, ensuring reliability and safety in every application. OUR PRODUCTS Explore our products Specialty Engineered Fasteners Learn more about our Engineered Fasteners, precision-crafted for specialized and critical applications in diverse industries. Machined Parts Learn more about our custom-designed Machined Components expertly crafted for applications across a range of industries. Precision Shear Products Explore our shear product manufacturing and quality capabilities, delivering precision solutions for the most demanding applications. Valve Stems Learn more about our Engineered Valve Stems, designed for demanding applications requiring exceptional strength, durability, and precision. DOING WHATEVER IT TAKES Need product help or engineering support? Contact our team of fastener experts today CONTACT Get a quote for your upcoming project CONTACT

testing capabilities Macrostructure Examination Macrostructure Examination is a metallurgical test that evaluates the large-scale structure of a material , typically visible to the naked eye or under low magnification (up to ~10x). It reveals important characteristics such as grain flow, segregation, inclusions, laps, seams, or weld quality. For engineered fasteners and machined components, this test confirms that the underlying material integrity is suitable for demanding applications where strength and reliability are critical. How the Test is Performed Sample Preparation – A cross-section of the fastener or material is cut, polished, and sometimes etched with a chemical reagent to highlight structural features. Visual or Low-Magnification Examination – The prepared surface is examined under adequate lighting or a low-power microscope. Structural Assessment – Inspectors look for discontinuities such as cracks, porosity, segregation, or flow lines. Comparison to Standards – Findings are compared against established metallurgical standards or customer specifications. Documentation – Results are recorded and archived for traceability and quality assurance. Why It is Performed Macrostructure Examination is performed to ensure that the base material or final component does not contain large-scale flaws that could affect safety, performance, or durability. Detects inclusions, laps, seams, and cracks not visible externally Evaluates grain flow and structural soundness Confirms forging, heat treatment, and welding quality Prevents failures in service by identifying material defects early Application to Engineered Fasteners Engineered fasteners require uniform structural integrity to perform in high-stress and safety-critical environments. Macrostructure Examination ensures that: Grain flow is optimized to support strength and fatigue resistance in forged fasteners Material discontinuities are identified before components enter service Heat treatment and manufacturing processes have achieved the desired structural results Customer and industry requirements for metallurgical quality are met for applications in aerospace, nuclear, oil & gas, and defense Standards & Compliance TSP Manufacturing performs Macrostructure Examinations in accordance with ASTM E381, ASTM E340, ISO standards, and customer-specific requirements . All testing is carried out by trained personnel using calibrated equipment, ensuring consistent, accurate, and traceable results. This adherence to rigorous standards underscores TSP’s commitment to delivering engineered fasteners and machined components with verified material integrity and the highest level of quality assurance. DOING WHATEVER IT TAKES Need product help or engineering support? Contact our team of fastener experts today CONTACT OUR PRODUCTS Explore our products Specialty Engineered Fasteners Learn more about our Engineered Fasteners, precision-crafted for specialized and critical applications in diverse industries. Machined Parts Learn more about our custom-designed Machined Components expertly crafted for applications across a range of industries. Precision Shear Products Explore our shear product manufacturing and quality capabilities, delivering precision solutions for the most demanding applications.

MANUFACTURING PROCESSES Cold Heading Cold heading is a manufacturing process used to create engineered fasteners and components by forming metal without the application of heat. The Process of Cold Heading: 1. Material Selection: Typically, ductile metals like alloy steels, stainless steel, aluminum, titanium, and nickel alloys are chosen for cold heading due to their malleability. 2. Wire Preparation: A metal wire, which serves as the raw material, is cut to the desired length, often referred to as a “slug.” 3. Cold Forming: The wire or slug is inserted into a die and subjected to high-pressure force using a punch. The metal deforms plastically to take the shape of the die and punch, without requiring heating beyond room temperature. 4. Multiple Stages (Optional): Complex fasteners or components may require several stages of heading, where the part is progressively shaped into the desired geometry. 5. Trimming and Threading: Excess material is trimmed, and threads or other detailed features are added if needed. 6. Heat Treatment and Coating (Post-Process): While cold heading itself avoids heating, parts may undergo heat treatment after forming to enhance strength or other properties. Surface coatings can be applied for added corrosion resistance. Advantages of Cold Heading: Strength: The process aligns the grain structure of the material, enhancing the mechanical properties of the fasteners. Precision: It allows for tight tolerances, critical for engineered components used in demanding applications. Cost-Effectiveness: Material wastage is minimized compared to machining, and the process is highly efficient for mass production. Surface Finish: Produces a smooth surface, reducing the need for additional finishing operations. Applications in Engineered Fasteners: Cold heading is particularly suited for producing high-performance fasteners used in industries like: Aerospace and Defense: For lightweight, high-strength components. Oil & Gas and Marine: For corrosion-resistant fasteners exposed to harsh environments. Automotive and Robotics: For precision-engineered fasteners that require tight tolerances. Cold Heading Hot Heading EDM Milling Turning Swiss Machining Drilling Roll Threading Cut Threading Broaching Heat Treatment Austenitizing Tempering Normalizing Stress Relieving Grinding Polishing Dot Peen Marking Laser Marking MANUFACTURING Explore our manufacturing capabilities OUR PRODUCTS Explore our products Specialty Engineered Fasteners Learn more about our Engineered Fasteners, precision-crafted for specialized and critical applications in diverse industries. Machined Parts Learn more about our custom-designed Machined Components expertly crafted for applications across a range of industries. Precision Shear Products Explore our shear product manufacturing and quality capabilities, delivering precision solutions for the most demanding applications. DOING WHATEVER IT TAKES Need product help or engineering support? Contact our team of fastener experts today CONTACT

Alex Dundas Operational Research Engineer BIO Alex joined WN Global sister company U.S. Bolt Manufacturing in 2014 as a Manufacturing Engineer. After earning a master’s degree in Operational Research, Alex joined TSP Manufacturing in 2023. As an Operational Research Engineer at TSP Manufacturing, Alex combines analytical expertise with a deep understanding of manufacturing systems to drive efficiency and innovation. With a passion for problem-solving, Alex specializes in optimizing production workflows, enhancing quality control processes, and leveraging data to inform strategic decisions. BACK